可用SH1106 OLED SPI接口程序
最近调试SH1106 OLED显示程序，已成功点亮。如果对你可以帮助的话，参考下。高手勿喷。#ifndef _OLED_H_
#define _OLED_H_
#include "C8051F020.h"
//----OLED显示字库-----
extern unsigned char code jian1616[];
extern unsigned char code kong1616[];
extern unsigned char code jiang1616[];
extern unsigned char code ji1616[];
extern unsigned char code diao1616[];
extern unsigned char code che1616[];
extern unsigned char code fei1616[];
extern unsigned char code mo1616[];
extern unsigned char code ni1616[];
extern unsigned char code qi1616[];
extern unsigned char code asc0816;
extern unsigned char code bmp[] ;
//--------LCD接口定义---------
//SH1106驱动芯片，采用SPI 4线接口
sbit OLED_CS =P3^7; //低电平有效
sbit OLED_CLK =P3^1; //上升沿输入
sbit OLED_STD =P3^0; //数据，串行，HSB先写入
sbit OLED_DC =P3^3; //=0命令，=1数据
#define lcd_cmd 0//该数据是给LCD的命令
#define lcd_dat 1//该数据是给LCD的数据
void oled_write_data(bit rs,unsigned char cdata); //rs==0,为命令；==1，为数据
void oled_init(void);
void oled_set_xy (unsigned char page,unsigned char column);
void oled_clear_screen(void);
void display_128x64(unsigned char *dp);
void display_graphic_16x16(unsigned char page,unsigned charcolumn,unsigned char *dp);
void display_graphic_8x16(unsigned char page,unsigned charcolumn,unsigned char *string,unsigned char code *asc_lib );
void oled_welcome(void); //欢迎界面
#endif
//--------END OF FILE-----------
#include "oled.h"
extern void rst_wdi(void);
//LCD串口函数（ SPI接口 ）
void oled_write_data(bit rs,unsigned char cdata)//rs==0,为命令；==1，为数据
{
unsigned char i;
rst_wdi();
OLED_CLK=0;
OLED_DC= rs;
rst_wdi();
for(i=0;i<8;i++)//启动移位写入
{
OLED_STD=(bit)(cdata&0x80);
cdata<<=1;
OLED_CLK=1;
OLED_CLK=0;
}
rst_wdi();
}
//LCD初始化
void oled_init(void)
{
OLED_CS=0;
oled_write_data(lcd_cmd,0xAE); //display off
oled_write_data(lcd_cmd,0x20); //Set Memory Addressing Mode
oled_write_data(lcd_cmd,0x10); //00,Horizontal Addressing Mode;01,Vertical Addressing Mode;10,Page Addressing Mode (RESET);11,Invalid
oled_write_data(lcd_cmd,0xb0); //Set Page Start Address for Page Addressing Mode,0-7
oled_write_data(lcd_cmd,0xc8); //Set COM Output Scan Direction
oled_write_data(lcd_cmd,0x00);//---set low column address
oled_write_data(lcd_cmd,0x10);//---set high column address
oled_write_data(lcd_cmd,0x40);//--set start line address
oled_write_data(lcd_cmd,0x81);//--set contrast control register
oled_write_data(lcd_cmd,0x7f);
oled_write_data(lcd_cmd,0xa1);//--set segment re-map 0 to 127
oled_write_data(lcd_cmd,0xa6);//--set normal display
oled_write_data(lcd_cmd,0xa8);//--set multiplex ratio(1 to 64)
oled_write_data(lcd_cmd,0x3F);//
oled_write_data(lcd_cmd,0xa4);//0xa4,Output follows RAM content;0xa5,Output ignores RAM content
oled_write_data(lcd_cmd,0xd3);//-set display offset
oled_write_data(lcd_cmd,0x00);//-not offset
oled_write_data(lcd_cmd,0xd5);//--set display clock divide ratio/oscillator frequency
oled_write_data(lcd_cmd,0xf0);//--set divide ratio
oled_write_data(lcd_cmd,0xd9);//--set pre-charge period
oled_write_data(lcd_cmd,0x22); //
oled_write_data(lcd_cmd,0xda);//--set com pins hardware configuration
oled_write_data(lcd_cmd,0x12);
oled_write_data(lcd_cmd,0xdb);//--set vcomh
oled_write_data(lcd_cmd,0x20);//0x20,0.77xVcc
oled_write_data(lcd_cmd,0x8d);//--set DC-DC enable
oled_write_data(lcd_cmd,0x14);//
oled_write_data(lcd_cmd,0xaf);//--turn on oled panel
OLED_CS=1;
}
//设置显示坐标，page页地址和column列地址
void oled_set_xy (unsigned char page,unsigned char column)
{
page&=0x07;
column&=0x7f;
oled_write_data(lcd_cmd,0xb0+page); //Set Page Start Address for Page Addressing Mode,0-7
oled_write_data(lcd_cmd,(column&0x0f)+0x02);//---set low column address，曹仁根注：SH1106要+2偏移，否则显示不正常
oled_write_data(lcd_cmd,0x10|((column&0xf0)>>4));//---set high column address
}
//olde 清屏
void oled_clear_screen(void)
{
unsigned char i,j;
OLED_CS=0;
for(i=0;i<8;i++)
{
oled_write_data(lcd_cmd,0xb0+i);
oled_write_data(lcd_cmd,0x00+0x02);
oled_write_data(lcd_cmd,0x10);
for(j=0;j<128;j++)
{
oled_write_data(lcd_dat,0x00);
}
}
OLED_CS=1;
}
/*显示128x64点阵图像*/
void display_128x64(unsigned char *dp)
{
unsigned char i=0,j=0;
OLED_CS=0;
for(j=0;j<8;j++)
{
oled_set_xy(j,0);
for (i=0;i<128;i++)
{
oled_write_data(lcd_dat,*dp++); /*写数据到LCD,每写完一个8位的数据后列地址自动加1*/
}
}
OLED_CS=1;
}
/*显示16x16点阵图像、汉字、生僻字或16x16点阵的其他图标*/
void display_graphic_16x16(unsigned char page,unsigned charcolumn,unsigned char *dp)
{
unsigned char i=0,j=0;
OLED_CS=0;
for(j=0;j<2;j++)
{
oled_set_xy(page,column);
for (i=0;i<16;i++)
{
oled_write_data(lcd_dat,*dp++); /*写数据到LCD,每写完一个8位的数据后列地址自动加1*/
}
page++;
}
OLED_CS=1;
}
/*显示8x16点阵图像、汉字、生僻字或8x16点阵的其他图标,主要为ASCII字符*/
void display_graphic_8x16(unsigned char page,unsigned charcolumn,unsigned char *string,unsigned char code *asc_lib )
{
unsigned char i=0,j=0,* strtemp , pagetemp=page;
OLED_CS=0;
while (*string!=0)
{
if((*string>=0x20) &&(*string<=0x7e))
{
strtemp = asc_lib +(*string++-' ')*16;
}
page=pagetemp; //在同一页
for(j=0;j<2;j++)
{
oled_set_xy(page,column);
for (i=0;i<8;i++)
{
oled_write_data(lcd_dat,*strtemp++); /*写数据到LCD,每写完一个8位的数据后列地址自动加1*/
}
page++;
}
column+=8;
if(column>127){break;} //限制为16个字母或数字
}
OLED_CS=1;
}
赞一个，可以借鉴学习，谢谢！ 这款驱动芯片和SSD1306对比有什么优势 clesun 发表于 2019-11-7 18:27
这款驱动芯片和SSD1306对比有什么优势
一般1.3寸oled 使用SH1106多吧 谢谢分享
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